diff --git a/aprendizations/templates/include-libs.html b/aprendizations/templates/include-libs.html
index 87e085d..ba4c192 100644
--- a/aprendizations/templates/include-libs.html
+++ b/aprendizations/templates/include-libs.html
@@ -17,7 +17,6 @@
 <!-- <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.2/font/bootstrap-icons.css"> -->
 
 <!-- MathJax -->
-<script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
 <script async type="text/javascript" id="MathJax-script" src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
 
 <!-- codemirror -->
--
libgit2 0.21.2